221364478

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{3881}}^1$

素因数の和:4000

約数の個数: 24

約数和(自身を含む): 354970080

約数和(自身を除く): 133605602

約数列:

[1, 2, 19, 38, 79, 158, 361, 722, 1501, 3002, 3881, 7762, 28519, 57038, 73739, 147478, 306599, 613198, 1401041, 2802082, 5825381, 11650762, 110682239, 221364478]

約数ペア:

[(1, 221364478), (2, 110682239), (19, 11650762), (38, 5825381), (79, 2802082), (158, 1401041), (361, 613198), (722, 306599), (1501, 147478), (3002, 73739), (3881, 57038), (7762, 28519)]